{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "ransom", "arguments": ["price", "payment method", "place", "time", "attacker", "damage amount", "victim", "attack pattern", "tool"]}], "input": "And in 2017 , 200,000 computers in 150 countries belonging to businesses , governments and even the U.K. National Health Service were impacted by the ransomware virus known as WannaCry ."}
{"ransom": [{"price": "NAN", "payment method": "NAN", "place": "NAN", "time": "NAN", "attacker": "NAN", "damage amount": "NAN", "victim": "National Health Service", "attack pattern": "NAN", "tool": ["the ransomware", "WannaCry"]}]}